writexmlfile.java

数据仓库工具

/*
LoaderGenerator - tool for generated xml, sql and doml file needed for Octopus.


    Copyright (C) 2003  Together

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

package org.webdocwf.util.loader.generator;

import java.io.File;
import java.io.FileOutputStream;

import org.apache.xml.serialize.Method;
import org.apache.xml.serialize.OutputFormat;
import org.apache.xml.serialize.XMLSerializer;
import org.w3c.dom.Document;
import org.webdocwf.util.loader.LoaderException;
import org.webdocwf.util.loader.logging.Logger;
import org.webdocwf.util.loader.logging.StandardLogger;

/**
 *
 * WriteXmlFile writes the xml file (ImportDefinition.xml), and creates generatorOutput
 * directory if they don't exists.
 * @author Radoslav Dutina
 * @version 1.0
 */
public class WriteXmlFile {
    private Logger logger;
    /**
     * Construct object WriteXmlFile with associated parameters.
     * @param document is the org.w3c.dom.Document object, which is created in CreateIncludeFile class.
     * @param generatorParameters represents the references to InputParameter object.
     * @throws LoaderException
     */

    public WriteXmlFile(Document document, InputParameters generatorParameters) throws LoaderException {
					setLogger();
					this.logger.write("full", "WriteXmlFile is started.");
        try {
            IncludeTagAttributes includeTagAttributes = new IncludeTagAttributes();
            File xmlFile = null;
            if (generatorParameters.getGeneratorOutput().equalsIgnoreCase("")) {
                xmlFile = new File("xml");
            } else {
                xmlFile = new File(generatorParameters.getGeneratorOutput() + "/xml");
            }
            if (!xmlFile.exists())
                xmlFile.mkdirs();

            FileOutputStream os = new FileOutputStream(xmlFile + includeTagAttributes.getHref().substring(includeTagAttributes.getHref().lastIndexOf("/")));
            OutputFormat of = new OutputFormat(); //xerces apache.xml.serializer
            of.setIndenting(true);
            of.setIndent(4);
            of.setMethod(Method.XML);
            of.setPreserveSpace(false);
            of.setLineWidth(0);
            of.setOmitXMLDeclaration(true);
            XMLSerializer out = new XMLSerializer(os, of);
            //IOException
            out.serialize(document);

        } catch (Exception e) {
            String msg = "Exception in class WriteXmlFile: Error has occurred when trying to write xml file!";
            LoaderException le = new LoaderException(msg, (Throwable) e);
						this.logger.write("full","Exception:"+ msg + "\n" + le.getStackTraceAsString());
            throw le;
        }
		this.logger.write("full", "WriteXmlFile is finished.");
    }
    /**
    	 * This method will set logger object
    	 * @param logger
    	   */
    private void setLogger() {
        this.logger = StandardLogger.getCentralLogger();
    }
}